Home / 36,947.48-55,438.50-21,378.20

Finding the Fourth Proportional to 36,947.48, 55,438.50 and 21,378.20

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Solution

The fourth proportional to 36,947.48, 55,438.50 and 21,378.20 is: 32,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.48 : 55,438.50 = 21,378.20 : x
  2. Step 2: Convert to fraction form
    36,947.48/55,438.50 = 21,378.20/x
  3. Step 3: Cross multiply
    36,947.48x = 55,438.50 × 21,378.20
  4. Step 4: Simplify right side
    36,947.48x = 1,185,175,340.70
  5. Step 5: Solve for x
    x = 1,185,175,340.70/36,947.48
  6. Step 6: Final answer
    x = 32,077.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.